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low Concrescence nature leukaemia
低增生性白血病
急性白血病呈现有核细胞减少的骨髓象时,称为
低增生性白血病
。其主要特点有:多见于老年人;病情进展缓慢;白血病细胞浸润不明显,肝、脾一般不肿大;外周血三系细胞减少,未见或仅见少量原始细胞;骨髓象呈增生减低,原始细胞占30%以上。对此类白血病的治疗仍以联合化疗为主,但预后不佳。